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Ohio officials scrap roadside filters for rainwater runoff because they don't work
Reported by: Associated Press
Reported: Monday, December 2, 2013 9:23 AM EST
Ohio transportation officials say filters on roadsides used to reduce pollution from the rainwater runoff don't work and won't be used anymore.
They were supposed to replace the concrete rain channels that separate curbs from asphalt. Instead of flowing straight to a storm drain, rainwater is supposed to soak through layers of porous concrete and gravel to filter pollutants.
But The Columbus Dispatch reports Monday that they've been scrapped after researchers at Ohio University determined they are prone to clogs.
The finding undercuts the state's efforts to meet state pollution standards that are supposed to protect streams and aquatic wildlife from storm runoff.
Information from: The Columbus Dispatch, http://www.dispatch.com